CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities
Net income	$ 5,740	$ 5,672	$ 4,967
Less: Net income attributable to noncontrolling interest	35	14	1
Net income attributable to Honeywell	5,705	5,658	4,966
Adjustments to reconcile net income attributable to Honeywell to net cash provided by operating activities
Depreciation	671	659	657
Amortization	663	517	547
Loss (gain) on sale of non-strategic businesses and assets	1	(5)	(22)
Impairment of assets held for sale	219	0	0
Repositioning and other charges	244	860	1,266
Net payments for repositioning and other charges	(479)	(459)	(512)
NARCO Buyout payment	0	(1,325)	0
Pension and other postretirement income	(476)	(406)	(510)
Pension and other postretirement benefit payments	(32)	(38)	(23)
Stock compensation expense	194	202	188
Deferred income taxes	(233)	153	(180)
Other	(617)	(837)	(358)
Changes in assets and liabilities, net of the effects of acquisitions and divestitures
Accounts receivable	(96)	(42)	(739)
Inventories	(304)	(626)	(440)
Other current assets	371	17	232
Accounts payable	95	518	(155)
Accrued liabilities	171	494	357
Net cash provided by operating activities	6,097	5,340	5,274
Cash flows from investing activities
Capital expenditures	(1,164)	(1,039)	(766)
Proceeds from disposals of property, plant and equipment	0	43	29
Increase in investments	(1,077)	(560)	(1,211)
Decrease in investments	870	971	1,255
Receipts from Garrett Motion Inc.	0	0	409
Receipts from settlements of derivative contracts	94	6	369
Cash paid for acquisitions, net of cash acquired	(8,880)	(718)	(178)
Proceeds from sales of businesses, net of fees paid	0	4	0
Net cash used for investing activities	(10,157)	(1,293)	(93)
Cash flows from financing activities
Proceeds from issuance of commercial paper and other short-term borrowings	13,838	12,991	7,661
Payments of commercial paper and other short-term borrowings	(11,578)	(13,663)	(8,447)
Proceeds from issuance of common stock	537	196	320
Proceeds from issuance of long-term debt	10,408	2,986	2,953
Payments of long-term debt	(1,812)	(1,731)	(1,850)
Repurchases of common stock	(1,655)	(3,715)	(4,200)
Cash dividends paid	(2,902)	(2,855)	(2,719)
Other	3	28	(48)
Net cash provided by (used for) financing activities	6,839	(5,763)	(6,330)
Effect of foreign exchange rate changes on cash and cash equivalents	(137)	14	(183)
Net increase (decrease) in cash and cash equivalents	2,642	(1,702)	(1,332)
Cash and cash equivalents at beginning of period	7,925	9,627	10,959
Cash and cash equivalents at end of period	$ 10,567	$ 7,925	$ 9,627